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相关论文: Secure Outage Analysis of RIS-Assisted Communicati…

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This paper investigates the security enhancement of an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network, where a distributed IRS enabled NOMA transmission framework is proposed to serve users…

信息论 · 计算机科学 2021-04-16 Zheng Zhang , Jian Chen , Qingqing Wu , Yuanwei Liu , Lu Lv , Xunqi Su

Reconfigurable Intelligent Surfaces (RISs) constitute a strong candidate physical-layer technology for the $6$-th Generation (6G) of wireless networks, offering new design degrees of freedom for efficiently addressing demanding performance…

信息论 · 计算机科学 2023-06-21 Konstantinos D. Katsanos , George C. Alexandropoulos

Wireless powered communication (WPC) combines information and energy transmission for energy-constrained nodes. Reconfigurable intelligent surfaces (RISs) are capable of controlling radio signals in a dynamic and goal-oriented manner. This…

信息论 · 计算机科学 2024-01-04 Waqas Khalid , Manish Nair , Trinh Van Chien , Heejung Yu

Reconfigurable intelligent surfaces (RISs) are arrays of passive elements that can control the reflection of the incident electromagnetic waves. While RIS are particularly useful to avoid blockages, the protocol aspects for their…

Reconfigurable intelligent surfaces (RIS) is considered as a revolutionary technique to improve the wireless system performance by reconfiguring the radio wave propagation environment artificially. Motivated by the potential of RIS in…

信号处理 · 电气工程与系统科学 2020-12-03 Yun Ai , Felipe A. P. de Figueiredo , Long Kong , Michael Cheffena , Symeon Chatzinotas , Björn Ottersten

In this letter, we analyze the secrecy performance of a reconfigurable intelligent surface (RIS)-aided communication system with spatially random unmanned aerial vehicles (UAVs) acting as eavesdroppers. We consider the scenarios where the…

信息论 · 计算机科学 2022-08-17 Lai Wei , Kezhi Wang , Cunhua Pan , Maged Elkashlan

Since Internet of Things (IoT) is suggested as the fundamental platform to adapt massive connections and secure transmission, we study physical-layer authentication in the point-to-point wireless systems relying on reconfigurable…

信号处理 · 电气工程与系统科学 2022-05-30 Dinh-Thuan Do , Anh-Tu Le , Shahid Mumtaz

Reconfigurable intelligent surface (RIS) has emerged as a key enabler for providing signal coverage, energy efficiency, reliable communication, and physical layer security (PLS) in next-generation wireless communication networks. This paper…

信号处理 · 电气工程与系统科学 2025-12-01 Ahmet Muaz Aktas , Sefa Kayraklik , Sultangali Arzykulov , Galymzhan Nauryzbayev , Ibrahim Hokelek , Ali Gorcin

We analyse the performance of a communication link assisted by an intelligent reflective surface (IRS) positioned in the far field of both the source and the destination. A direct link between the transmitting and receiving devices is…

信号处理 · 电气工程与系统科学 2020-08-25 Tianxiong Wang , Gaojie Chen , Justin P. Coon , Mihai-Alin Badiu

We consider a next generation wireless network incorporating a base station a set of typically low-cost and faulty Reconfigurable Intelligent Surfaces (RISs). The base station needs to select the path including the RIS to provide the…

信息论 · 计算机科学 2024-04-24 Mounir Bensalem , Admela Jukan

This letter is concerned with the secrecy performance of reconfigurable intelligent surfaces (RIS)-aided wireless networks in the existence of multiple interferers towards the destination. To be more precise, we analyze three critical…

信息论 · 计算机科学 2023-02-22 Md. Roisul Ajom Ruku , Md. Ibrahim , A. S. M. Badrudduza , Imran Shafique Ansari

Reconfigurable intelligent surface (RIS) assisted radio is considered as an enabling technology with great potential for the sixth-generation (6G) wireless communications standard. The achievable secrecy rate (ASR) is one of the most…

信息论 · 计算机科学 2021-06-01 Vaibhav Kumar , Mark F. Flanagan , Derrick Wing Kwan Ng , Le-Nam Tran

By moving from massive antennas to antenna surfaces for software-defined wireless systems, the reconfigurable intelligent surfaces (RISs) rely on arrays of unit cells to control the scattering and reflection profiles of signals, mitigating…

信号处理 · 电气工程与系统科学 2021-12-22 Brian Kim , Tugba Erpek , Yalin E. Sagduyu , Sennur Ulukus

This work examines the secrecy outage probability (SOP) in Fluid Reconfigurable Intelligent Surfaces (FRIS) and contrasts their performance against two alternative RIS architectures: a traditional planar RIS and a compact RIS layout. To…

Statistical characterization of the signal-to-noise ratio (SNR) of reconfigurable intelligent surface (RIS)-assistedcommunications in the presence of phase noise is an important open issue. In this letter, we exploit the concept of copula…

信号处理 · 电气工程与系统科学 2022-01-25 Imène Trigui , Damoon Shahbaztabar , Wessam Ajib , Wei-Ping Zhu

As a kind of wavefront with helical phase, orbital angular momentum (OAM) shows the great potential to enhance the security results of wireless communications due to its unique orthogonality and central hollow electromagnetic wave…

信号处理 · 电气工程与系统科学 2024-07-17 Minmin Wang , Liping Liang , Wenchi Cheng , Wei Zhang , Ruirui Chen , Hailin Zhang

Physical layer security in reconfigurable intelligent surface (RIS)-assisted wireless systems can be improved through coordinated control of signal transmission and RIS configuration. In this work, the base station simultaneously transmits…

信号处理 · 电气工程与系统科学 2026-05-27 Mustafa Furkan Beker , Ahmet Muaz Aktas , Sefa Kayraklik , Sultangali Arzykulov

Reconfigurable intelligent surface (RIS) is a newly-emerged technology that might fundamentally change how wireless networks are operated. Though extensively studied in recent years, the practical limitations of RIS are often neglected when…

信号处理 · 电气工程与系统科学 2023-12-12 Parisa Ramezani , Yasaman Khorsandmanesh , Emil Björnson

With the advent of sixth-generation networks, reconfigurable intelligent surfaces (RISs) have revolutionized wireless communications through dynamic electromagnetic wave manipulation, thereby facilitating the adaptability and unparalleled…

Reconfigurable intelligent surface (RIS) has been recognized as a promising technique for the sixth generation (6G) of mobile communication networks. The key feature of RIS is to reconfigure the propagation environment via smart signal…

信息论 · 计算机科学 2023-01-03 Abdelhamid Salem , Kai-Kit Wong , Chan-Byoung Chae